hercynian basement 中文意思是什麼
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This thesis studies each structural layer ' s feature : ( 1 ) structural layer of basement : it is a paleozoic folded basement, whose tectonic deformation and magma intrusion is fiercely, and it is affected by the early hercynian tectonic movement and related to the underthrust and closure ( c1 ) of zhungaer ocean basin and the areal pressing of continents ( c2 - 3 ) ; ( 2 ) structural layer of permian : due to the regional extending and fault depression role in mid - hercynian, it occurred to the combinations of structure and magma in santanghu basin and it ' s periphery area, such as a - granite ' s stock, batholiths and diabase ' s dike. there are many fault depressions possible
按照不同構造層，研究了各構造層的構造特徵：基底構造層：受早海西期構造作用的影響，與準噶爾洋盆俯沖閉合、而後陸-陸碰撞的區域擠壓構造作用有關，為一構造變形和巖漿侵入活動強烈的古生代褶皺基底。二疊系構造層：受中海西區域性伸展斷陷作用的影響，盆地及其周緣地區發育與伸展構造有關的構造-巖漿組合，如呈巖株、巖基狀侵位的a型花崗巖以及呈巖墻狀侵位的輝綠巖等。 -
Bachu arch is a large back - thrust uplift. tectonic evolution of its large boundary fault fracture have relation with oil / gas distribution involuntarily. its large boundary fault fracture is basement rift formed in late hercynian period and strongly actived in late himalayan period. oil / gas distribution of bachu - markit have relation with fault interspace distribution. so, this paper also discussed interspace distribution and movement stage of fault
巴楚隆起是一個大型背沖斷隆，其邊界大斷裂的形成演化自然關繫到本區的油氣分佈，隆起的邊界大斷裂多是海西晚期形成的基底斷裂，后在喜山期強烈活動，兼具壓扭走滑性質。 -
There are two series of cu, au deposits, the stratiformed deposits and the intrusive - related ones in the mineralization belt of the middle and lower reaches of the yangtze river area. comparative studies on forming geodynamic backgrounds, geological and geochemical conditions of the ore - forming systems have been undertaken in this paper. the stratiformed deposits were formed in hercynian period by submarine exhalation - sedimentation sedex of hot brine through the synchronous basement faults in a tensional environmental, and the intrusive - related deposits were formed in yenshanian in a tensional or a transitional period to tensional environment during the upper mantle doming by water - rock interaction and complex transport - chemical reaction dynamic processes, the ore - forming fluids were mainly magmatic water from melt - fluid partition and some meteoric water
成礦流體系統形成的地球動力學背景及地質地球化學條件對比研究表明，賦存於石炭系中的層狀銅金礦床是海西期拉張背景下熱鹵水沿同生斷裂經噴流作用形成的海底噴流熱水沉積礦床與燕山期中酸性侵入巖有關的銅金礦床是在上地幔隆起張性或向張性過渡背景下形成的，是中酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合，經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。
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